#include <vnet/dpo/drop_dpo.h>
#include "fib_entry_src.h"
+#include "fib_entry_src_rr.h"
#include "fib_entry_cover.h"
#include "fib_entry.h"
#include "fib_table.h"
+#include "fib_path_ext.h"
/*
* fib_entry_src_rr_resolve_via_connected
*
* Resolve via a connected cover.
*/
-static void
+void
fib_entry_src_rr_resolve_via_connected (fib_entry_src_t *src,
const fib_entry_t *fib_entry,
const fib_entry_t *cover)
* shortly to over-rule this RR source.
*/
src->fes_pl = fib_path_list_create(FIB_PATH_LIST_FLAG_NONE, paths);
- src->fes_entry_flags = fib_entry_get_flags(fib_entry_get_index(cover));
+ src->fes_entry_flags |= (fib_entry_get_flags(fib_entry_get_index(cover)) &
+ FIB_ENTRY_FLAGS_RR_INHERITED);
vec_free(paths);
}
static void
fib_entry_src_rr_init (fib_entry_src_t *src)
{
- src->rr.fesr_cover = FIB_NODE_INDEX_INVALID;
- src->rr.fesr_sibling = FIB_NODE_INDEX_INVALID;
+ src->u.rr.fesr_cover = FIB_NODE_INDEX_INVALID;
+ src->u.rr.fesr_sibling = FIB_NODE_INDEX_INVALID;
}
* and there would be 2 locks on the path-list; one since its used
* by the cover, and 1 from here. The first lock will go when the
* cover is removed, the second, and last, when the covered walk
- * occurs during the cover's removel - this is not a place where
+ * occurs during the cover's removal - this is not a place where
* we can handle last lock gone.
* In short, don't let the loop form. The usual rules of 'we must
* let it form so we know when it breaks' don't apply here, since
* the loop will break when the cover changes, and this function
* will be called again when that happens.
*/
-static void
+void
fib_entry_src_rr_use_covers_pl (fib_entry_src_t *src,
const fib_entry_t *fib_entry,
const fib_entry_t *cover)
{
fib_node_index_t *entries = NULL;
dpo_proto_t proto;
+ fib_entry_src_t *s;
proto = fib_proto_to_dpo(fib_entry->fe_prefix.fp_proto);
vec_add1(entries, fib_entry_get_index(fib_entry));
else
{
src->fes_pl = cover->fe_parent;
+ vec_foreach (s,cover->fe_srcs)
+ {
+ if (s->fes_pl != cover->fe_parent)
+ continue;
+
+ src->fes_path_exts.fpel_exts = vec_dup (s->fes_path_exts.fpel_exts);
+ break;
+ }
}
vec_free(entries);
}
return (!0);
}
- src->rr.fesr_cover = fib_table_get_less_specific(fib_entry->fe_fib_index,
+ src->u.rr.fesr_cover = fib_table_get_less_specific(fib_entry->fe_fib_index,
&fib_entry->fe_prefix);
- ASSERT(FIB_NODE_INDEX_INVALID != src->rr.fesr_cover);
+ ASSERT(FIB_NODE_INDEX_INVALID != src->u.rr.fesr_cover);
- cover = fib_entry_get(src->rr.fesr_cover);
+ cover = fib_entry_get(src->u.rr.fesr_cover);
- src->rr.fesr_sibling =
+ src->u.rr.fesr_sibling =
fib_entry_cover_track(cover, fib_entry_get_index(fib_entry));
/*
fib_entry_t *cover;
/*
- * remove the depednecy on the covering entry
+ * remove the dependency on the covering entry
*/
- if (FIB_NODE_INDEX_INVALID != src->rr.fesr_cover)
+ if (FIB_NODE_INDEX_INVALID != src->u.rr.fesr_cover)
{
- cover = fib_entry_get(src->rr.fesr_cover);
- fib_entry_cover_untrack(cover, src->rr.fesr_sibling);
- src->rr.fesr_cover = FIB_NODE_INDEX_INVALID;
+ fib_node_index_t *entries = NULL;
+
+ cover = fib_entry_get(src->u.rr.fesr_cover);
+ fib_entry_cover_untrack(cover, src->u.rr.fesr_sibling);
+ src->u.rr.fesr_cover = FIB_NODE_INDEX_INVALID;
+
+ if (FIB_NODE_INDEX_INVALID != cover->fe_parent)
+ {
+ fib_path_list_recursive_loop_detect(cover->fe_parent, &entries);
+
+ vec_free(entries);
+ }
}
fib_path_list_unlock(src->fes_pl);
src->fes_pl = FIB_NODE_INDEX_INVALID;
+ vec_free (src->fes_path_exts.fpel_exts);
src->fes_entry_flags = FIB_ENTRY_FLAG_NONE;
}
-static fib_entry_src_cover_res_t
+fib_entry_src_cover_res_t
fib_entry_src_rr_cover_change (fib_entry_src_t *src,
const fib_entry_t *fib_entry)
{
.bw_reason = FIB_NODE_BW_REASON_FLAG_NONE,
};
- if (FIB_NODE_INDEX_INVALID == src->rr.fesr_cover)
+ if (FIB_NODE_INDEX_INVALID == src->u.rr.fesr_cover)
{
/*
* the source may be added, but it is not active
* entry inserted benaeth it. That does not necessarily mean that this
* entry is covered by the new prefix. check that
*/
- if (src->rr.fesr_cover != fib_table_get_less_specific(fib_entry->fe_fib_index,
+ if (src->u.rr.fesr_cover != fib_table_get_less_specific(fib_entry->fe_fib_index,
&fib_entry->fe_prefix))
{
fib_entry_src_rr_deactivate(src, fib_entry);
* This entry's cover has updated its forwarding info. This entry
* will need to re-inheret.
*/
-static fib_entry_src_cover_res_t
+fib_entry_src_cover_res_t
fib_entry_src_rr_cover_update (fib_entry_src_t *src,
const fib_entry_t *fib_entry)
{
fib_node_index_t old_path_list;
fib_entry_t *cover;
- if (FIB_NODE_INDEX_INVALID == src->rr.fesr_cover)
+ if (FIB_NODE_INDEX_INVALID == src->u.rr.fesr_cover)
{
/*
* the source may be added, but it is not active
return (res);
}
- cover = fib_entry_get(src->rr.fesr_cover);
+ cover = fib_entry_get(src->u.rr.fesr_cover);
old_path_list = src->fes_pl;
/*
fib_entry_src_rr_format (fib_entry_src_t *src,
u8* s)
{
- return (format(s, " cover:%d", src->rr.fesr_cover));
+ return (format(s, " cover:%d", src->u.rr.fesr_cover));
}
const static fib_entry_src_vft_t rr_src_vft = {
void
fib_entry_src_rr_register (void)
{
- fib_entry_src_register(FIB_SOURCE_RR, &rr_src_vft);
- fib_entry_src_register(FIB_SOURCE_URPF_EXEMPT, &rr_src_vft);
+ fib_entry_src_behaviour_register(FIB_SOURCE_BH_RR, &rr_src_vft);
}
Code Review / vpp.git / blobdiff